How does it handle Japanese tax rounding regulations?

The skill strictly follows National Tax Agency rules, such as truncating taxable income to the nearest 1,000 yen and tax payments to the nearest 100 yen.

Does this skill support Blue Returns (Aoiro Shinkoku)?

Yes, it is designed to work specifically with settlement data to complete Blue Return financial statements and calculate the corresponding tax benefits.

Can it process image files of withholding slips?

Yes, the skill utilizes specialized OCR sub-skills to read and verify data from scanned PDFs or photos of withholding slips (源泉徴収票).

Does this skill submit the tax return directly to the government?

No, it calculates the tax data and prepares it for the /e-tax skill, which then assists in entering the data into the official e-Tax portal.

Japanese Income Tax Automator

Name: Japanese Income Tax Automator
Author: kazukinagata

bykazukinagata

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323

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生产力与工作流

Automates Japanese income tax calculations and tax return preparation by processing financial data and withholding slips.

The income-tax skill is a specialized component of the Shinkoku AI agent designed to streamline the Japanese 'Kakutei Shinkoku' process. It automates the transition from bookkeeping to tax filing by calculating business income, processing various deductions (medical, iDeCo, dependents), and extracting data from withholding slips (源泉徴収票) via OCR. It ensures strict compliance with National Tax Agency rounding rules and prepares data specifically for entry into the e-Tax system, making it an essential tool for sole proprietors and taxpayers with complex filing requirements.

主要功能

01Automated data extraction from withholding slips and payment statements using OCR dual-verification.

02Integration with SQLite databases to track progress across different tax preparation steps.

03Comprehensive deduction logic for dependents, medical expenses, iDeCo, and mortgage credits.

04323 GitHub stars

05Pre-filing validation to ensure all prerequisites for Blue Return (青色申告) are met.

06Strict adherence to Japanese tax rounding rules for taxable income and final tax amounts.

使用场景

01Salaried employees with side income (Fukugyo) or high medical expenses seeking tax refunds.

02Automating the transfer of data from physical documents into the digital e-Tax preparation portal.

03Sole proprietors (Kojin Jigyo-nushi) needing to calculate business income tax for annual filing.

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add kazukinagata/shinkoku income-tax

For use in Claude.ai and ChatGPT

Download Skill